<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
<h2>登录</h2>
{# form表单提交#}
<form action="/login/" method="post">
    <p>用户名:<input type="text" name="username"></p>
    <p>密码:<input type="password" name="password"></p>
    <p> <button>提交</button></p>
</form>
</body>
</html>